chore(linter): update golangci to v2

[darrenkel]

Description

Update golangci to v2. To update:

curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.2.1

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• New and existing E2E tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have not added any vulnerable dependencies to my code

[codecov-commenter]

Codecov Report

❌ Patch coverage is 87.50000% with 103 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
block/header.go	0.00%	21 Missing ⚠️
vm/instructions.go	0.00%	15 Missing ⚠️
api/debug/debug.go	73.68%	9 Missing and 1 partial ⚠️
api/subscriptions/subscriptions.go	47.36%	10 Missing ⚠️
cmd/thor/utils.go	0.00%	7 Missing ⚠️
thorclient/thorclient.go	16.66%	5 Missing ⚠️
api/restutil/http.go	0.00%	4 Missing ⚠️
api/node/node.go	76.92%	3 Missing ⚠️
api/admin/apilogs/api_logs.go	66.66%	1 Missing and 1 partial ⚠️
api/admin/loglevel/log_level.go	71.42%	1 Missing and 1 partial ⚠️
... and 17 more

📢 Thoughts on this report? Let us know!